Try period.apply() from the xts package. MW
On Tue, Dec 4, 2012 at 9:26 AM, Antonio Silva <aolinto....@gmail.com> wrote: > Dear list members > > I want to analyze separately the months of a time series. In other words, I > want to plot and fit models for each month separately. > > Taking the example of > http://a-little-book-of-r-for-time-series.readthedocs.org/en/latest/src/timeseries.html > > births <- scan("http://robjhyndman.com/tsdldata/data/nybirths.dat") > birthstimeseries <- ts(births, frequency=12, start=c(1946,1)) > birthstimeseries > plot.ts(birthstimeseries) > birthstimeseriesHW <- HoltWinters(birthstimeseries) > plot(birthstimeseriesHW) > > How to proceed the plotting and HoltWinters smoothing considereing only > Januarys, Februarys, etc. separately. > > Thanks in advance. > > Antonio Olinto > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.